JPS6447892U - - Google Patents
Info
- Publication number
- JPS6447892U JPS6447892U JP14290787U JP14290787U JPS6447892U JP S6447892 U JPS6447892 U JP S6447892U JP 14290787 U JP14290787 U JP 14290787U JP 14290787 U JP14290787 U JP 14290787U JP S6447892 U JPS6447892 U JP S6447892U
- Authority
- JP
- Japan
- Prior art keywords
- base
- chips
- tip
- edges
- ring bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Earth Drilling (AREA)
Description
第１図は実施例を示す平面図、第２図は同正面
図、第３図はチツプの縦断面図、第４図は第１図
Ａ―Ａ線における断面図、第５図イ，ロは従来の
リングビツトのチツプを示す断面図、第６図は従
来のリングビツトの逃げ溝を示す断面図である。
１：ベース、２：先端円周縁、３：チツプ、４
：綾線、５：逃げ溝。
Fig. 1 is a plan view showing the embodiment, Fig. 2 is a front view thereof, Fig. 3 is a longitudinal sectional view of the chip, Fig. 4 is a sectional view taken along line A-A in Fig. 1, and Figs. 6 is a cross-sectional view showing a tip of a conventional ring bit, and FIG. 6 is a cross-sectional view showing a relief groove of a conventional ring bit. 1: Base, 2: Tip circumference, 3: Tip, 4
: Twill line, 5: Relief groove.
Claims (1)
する超硬チツプを多数周設したリングビツトに於
いて、チツプのエツジの綾線がベースの半径方向
からベースの回転方向に少し振つた状態にチツプ
を取付けるとともに、三角形エツジの綾線を中央
から回転進行側に偏寄させ、又チツプ間のベース
先端円周縁部に内側に向かつて落ち込んだ逃げ溝
を設けたことを特徴とするリングビツト。 In a ring bit in which a large number of carbide chips with triangular edges are arranged around the circumferential edge of the tip of a cylindrical base, the chips are placed so that the twill lines of the edges of the chips are slightly swung from the radial direction of the base to the direction of rotation of the base. A ring bit characterized in that the twill line of the triangular edge is biased from the center toward the rotation progress side, and a relief groove is provided at the circumferential edge of the tip of the base between the tips, which dips toward the inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14290787U JPH0340956Y2 (en) | 1987-09-17 | 1987-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14290787U JPH0340956Y2 (en) | 1987-09-17 | 1987-09-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6447892U true JPS6447892U (en) | 1989-03-24 |
| JPH0340956Y2 JPH0340956Y2 (en) | 1991-08-28 |
Family
ID=31409250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14290787U Expired JPH0340956Y2 (en) | 1987-09-17 | 1987-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340956Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH044986U (en) * | 1990-04-24 | 1992-01-17 |
-
1987
- 1987-09-17 JP JP14290787U patent/JPH0340956Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH044986U (en) * | 1990-04-24 | 1992-01-17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0340956Y2 (en) | 1991-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6386923U (en) | ||
| JPS6380323U (en) | ||
| JPS62111811U (en) | ||
| JPS6313651U (en) | ||
| JPS61141007U (en) | ||
| JPS61119534U (en) | ||
| JPS63116592U (en) | ||
| JPS60117046U (en) | Internal grinding device | |
| JPS5826893U (en) | Bulb peeling machine | |
| JPH02135166U (en) | ||
| JPS61166714U (en) | ||
| JPS61141038U (en) | ||
| JPS6426124U (en) | ||
| JPH027961U (en) | ||
| JPS6353393U (en) | ||
| JPS5844128U (en) | Throw-away type beveling cutter | |
| JPS60166385U (en) | ski stock ring | |
| JPS6150617U (en) | ||
| JPS6022213U (en) | Drill | |
| JPH0386188U (en) | ||
| JPS6178567U (en) | ||
| JPS6360556U (en) | ||
| JPS6313652U (en) | ||
| JPS60190526U (en) | Reamer for processing soft materials such as plastics | |
| JPS6274968U (en) |